package net.xdclass.demo3.config;

import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;


@Configuration
public class DruidConfiguration {

	/**
	 * 注册一个StatViewServlet
	 * @return
	 */
	@Bean
	public ServletRegistrationBean DruidStatViewServle(){

		//org.springframework.boot.context.embedded.ServletRegistrationBean提供类的进行注册.
		ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(),"/druid/*");

		//添加初始化参数：initParams

		//白名单：
		servletRegistrationBean.addInitParameter("allow","127.0.0.1");  //ip白名单(没有设置或者为空, 则允许所有访问)

		//IP黑名单 (存在共同时，deny优先于allow) : 如果满足deny的话提示:Sorry, you are not permitted to view this page.
		servletRegistrationBean.addInitParameter("deny","192.168.0.114");

		//登录查看信息的账号密码.
		servletRegistrationBean.addInitParameter("loginUsername","admin");  //监控页面登录用户名
		servletRegistrationBean.addInitParameter("loginPassword","123456"); //监控页面登录密码

		//是否能够重置数据.
		servletRegistrationBean.addInitParameter("resetEnable","false");
		return servletRegistrationBean;
	}

	/**
	 * 注册一个：filterRegistrationBean
	 * @return
	 */
	@Bean
	public FilterRegistrationBean druidStatFilter(){
		FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());

		//添加过滤规则.
		filterRegistrationBean.addUrlPatterns("/*");

		//添加不需要忽略的格式信息.
		filterRegistrationBean.addInitParameter("exclusions","*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");

		return filterRegistrationBean;
	}
}

